Improvement in machines for making- nuts



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'GEORGE H. FULLER, OF UNIONVILLE, CONNECTICUT* Lotterie- Patent No.86,914, dated February 16, 1869.

The Schedule referred tc in these Letters Patent and making part of thesame.

To all whom it may concern 4 Be it known that I, GEORGE H. FULLER, ofUnionville, county of Hartford, and State' of Connecticut, haveinventedcertain new and useful Improvements in Nut-Machines; and toenable others skilled in the art to make and use the same, I willproceedto describe its construction and operation, by referring to thedrawings, in which the same letters indicate like parts in each of thefigures.

The nature of this invention consists in cutting off th eblank fora nut,and shaping, hammering, and punch- Aing, without, moving its positionfrom the point where it was cutfrom the bar, until completed ready todeliver from the machine.

It further consists in so constructing the shear-bar, that it willperform the oii'ice of shear vto cut the ynutblank from the bar; pusher,to push it forward to shape or basil the blank; holder, to hold it whilebeing hammered; and a die, for punching it and holding it in readiuesstoreceive the punch.

It consists of |a bottom slide-plate, which forms one side of compression-box, in which the nut is shaped, and by which it is partiallyheld in place while being completed, and then removed to allow thefinished nut to drop from the machine.

It further consists in so arranging the mechanism that one shaft willimpart impetus 'to the whole maf chine.

The obj ect of this invention is to simplify and cheapen the manufactureof the machine, to complete the nut in the least possible time, andwhile the iron is in a proper heated state, and to do so withoutchanging .the position of the blank until finished.

In the accompanying drawings- Figure l is a plan View,

Figures 2 and 3. are detached portions of the -Inachine.

a is the bed-plate, in which Vare formed depressions, grooves, supports,and bearings.

It is designed, in practice, to have all and every portion of thebed-plate, (including standards, supports, &c.,) made of one piece ofmetal, excepting only the `caps which cover the shaft-bearings, slides,openings,

b is the operating-shaft, secured in bearings directly under the caps c.

d is the driving-pulley, secured upon the outer end of the shaft b.

1, 2, 3, 4, 5, 6, 7 are cams arranged upon the shaft a.

The cam l is arranged and secured upon or near the iight-hand end of theshaft, and is made cylindrical in form,and having an irregular or zigzaggroove, or path, to receive the end ofa lever, jl'

The cams 3,6, and 2, 5, are or may be made in one or two pieces, 'in theform of a cylinder, and secured together upon and nearly in thehcentreof the shaft b.

These cam-projections may be made on, or afterward secured to thecylinder, in their relative position with each other, so as to producethe harmonious action of the relative parts operated thereby.

Oanr is a surface-cam, located upon and near the left-hand end of theshaft.

Cam .4 is arranged and secured upon and near the left-hand end of theshaft, and is of a cylindrical form, having an irregular or zigzaggroove, or path, to receive the end of a lever, f.

These cams are respectively numbered in the order in which they work. Y

e is a shear-bar, fitted into a groove, iinsh (or nearly so) with theupper surface of the machine. The front end of this bar is made to servethe purpose of shear and pusher, to form the basil of the nut, and adiefor punching the eye of the nut. j e is a box, in which one end of thelever f, secured by a pin, or bolt, to the bed-plate, works, to actuatethe bar e. This box is made adjustable, to adjust the shear-bar to thedie.

gis an anvil-block and shear-die, fitted into a groove formed in thebed-piece, in a line at right angle with the shear or cutter-bar e, andis adjusted and secured vfirmly in its position by means of keys, orbolts, so that one edge thereof shall serve, in conjunction with oneedge of the front end of the shear-bar e, to shear or cut a nut-blank oma bar.

his a stock, in which is secured a basil-die, h', fol` shaping the upperside of the nut, having an orifice through which a punch works, to punchthe nut.

Thus it will be seen that this die h' serves the twofold purpose ofbasilling the nut, and clearing the nui from the punch, after havingbeen punched. t

e is a punch-bar, having a punch in the front end, which works throughthe die h into the die formed in the end of the bar c.

This bar e is tted into a groove or depression in the bed-plate, flush(or nearly so) with the surface.

f This punch-bar is operated; through the lever f', secured by bolt orpin to the bed-plate, by means of the cam 4.

The punch-bar e, or die in the end thereof, is provided with an orificein the under side of the bar or die intersecting with the die-orice, toallow the waste metal to escape from the back side of the die.

6 is a hammer, orpress-bar, arranged in a depression formed in thebed-plate, and works towards the face of the anvil-block g, to compresstwo sides of the nut, and is actuated by the cams 3 and 6. The cam 6acts to haunne-r or compress the edge of the uut, the other, 3, to holdthe nut till the punch commences to enter it.

iis a reciprocating plate, fitted into a groove, and rebates formedaround the three sides of the opening in the bed-plate underlying thebar 6, through which the nut, when finishedfdrops from the machine,which plate t', by the joint action of the lever f, reactingspring, andcam 7, with or without the slide c, first forms a firm bed, upon whichone edge of the blank is www c /M'ma/s ZZ/razza fo/zW//Ms rmly heldwhile being hammered or compressed, after which, or when the nut isfinished, moves back, and the nut falls through the opening and out ofthe machine, and makes rocm'for the .next blank.

k is a. perpendicular hammer, 0r press-bar, secured and working in thebox L, directly over the upper edge of the nut-blank.

This bar is actuated by a lever, my, secured in a support, fn., and cams2 and 5: rst, by the cam 2, to hammer or press the side of the nutbetween it and the anvil; second, by the cani 5, to push the nut downont of the machine.

o is a guide for the bar while being introduced into the machine. c arelcaps to cover bearings, slide-bans, and openings. i

I have thus endeavored to show the nature of my invention, and itsconstruction, and in doing so, also to show its operation.

The advantages to be derived from this invention are its simplicity,cheapness of construction, land more rapid execution.

NVhat I claim, therefore, and desire to secure by Letters Yatent, is

1;, The arrangement of the sliding bottom i, horizontal-edge swage e',and the mechanism by Whichthey are respectively operated, at the timesand inthe manner described.

2. The arrangement of the cams l, 3, 6, 2, 5, 7, and 4, upon the shaftb, bar e, anvil g, die h', punch-bar e', hammer le, bar e, and plate i,with their intermediate levers, substantially asdescribed.

GEORGE H. FULLER. [L 5.]

Witnesses:

JEREMY W. BLIss, E. W. Buss.

